gcpad_nicer.ino

// attach gamecube controller red wire on this digital pin
#define GC_PIN 7

#include "Nintendo.h"

CGamecubeController GamecubeController(GC_PIN);

// attach gates to these digital-out pins
// these also happen to be the PWM-able pins on the arduino nano
int pins[6] = { 3, 5, 6, 9, 10, 11 };

void setup() {
  for (int i = 0; i < 6; i++) {
    pinMode(pins[i], OUTPUT);
  }
}

void loop() {
  auto report = GamecubeController.getReport();

  boolean buttonsNow[6] = {
    report.dup,
    report.ddown,
    report.dleft,
    report.dright,
    report.a,
    report.b
  };
   
  for (int i = 0; i < 6; i++) {
    digitalWrite(pins[i], buttonsNow[i]);
  }
}